Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
38:33:54
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Problems

#	Name
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2380
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2700
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5170
27A	Next Test implementation, sortings	1200	x19445
26E	Multithreading constructive algorithms	2400	x367
26D	Tickets combinatorics, math, probabilities	2400	x761
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x825
26B	Regular Bracket Sequence greedy	1400	x17688
26A	Almost Prime number theory	900	x28905
25E	Test hashing, strings	2200	x2220
25D	Roads not only in Berland dsu, graphs, trees	1900	x10478
25C	Roads in Berland graphs, shortest paths	1900	x5916
25B	Phone numbers implementation	1100	x9363
25A	IQ test brute force	1300	x81908
24E	Berland collider binary search	2300	x864
24D	Broken robot dp, math, probabilities	2400	x1808
24C	Sequence of points geometry, implementation, math	1800	x1218
24B	F1 Champions implementation	1500	x1720
24A	Ring road graphs	1400	x4820
23E	Tree dp	2500	x592
23D	Tetragon geometry, math	2600	x326
23C	Oranges and Apples constructive algorithms, sortings	2500	x1363
23B	Party constructive algorithms, graphs, math	1600	x3209
23A	You're Given a String... brute force, greedy	1200	x5097
22E	Scheme dfs and similar, graphs, trees	2300	x1555
22D	Segments greedy, sortings	1900	x2633
22C	System Administrator graphs	1700	x2963
22B	Bargaining Table brute force, dp	1500	x4095
22A	Second Order Statistics brute force	800	x21054
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x805
21C	Stripe 2 binary search, dp, sortings	2000	x2029
21B	Intersection implementation, math	2000	x1307
21A	Jabber ID implementation, strings	1900	x1788
20C	Dijkstra? graphs, shortest paths	1900	x30381
20B	Equation math	2000	x3679
20A	BerOS file system implementation	1700	x5980
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1635
19D	Points data structures	2800	x2160
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1051
19B	Checkout Assistant dp	1900	x4464
19A	World Football Cup implementation	1400	x2649
18E	Flag 2 dp	2000	x1027
18D	Seller Bob brute force, dp, greedy	2000	x1034
18C	Stripe data structures, implementation	1200	x12544
18B	Platforms brute force, math	1700	x2070
18A	Triangle brute force, geometry	1500	x5728
17E	Palisection strings	2900	x1517
17D	Notepad number theory	2400	x1041
17C	Balance dp	2500	x819
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4513
17A	Noldbach problem brute force, math, number theory	1000	x15252
16E	Fish bitmasks, dp, probabilities	1900	x4703
16D	Logging implementation, strings	1900	x1518
16C	Monitor binary search, number theory	1800	x4543
16B	Burglar and Matches greedy, implementation, sortings	900	x17026
16A	Flag implementation	800	x13679
15E	Triangles combinatorics, dp	2600	x559
15D	Map data structures, implementation, sortings	2500	x721
15C	Industrial Nim games	2000	x2168
15B	Laser math	1800	x1303
15A	Cottage Village implementation, sortings	1200	x3629
14E	Camels dp	1900	x1623
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4328
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3126
14B	Young Photographer implementation	1000	x6713
14A	Letter implementation	800	x10119
13E	Holes data structures, dsu	2700	x5416
13D	Triangles dp, geometry	2600	x597
13C	Sequence dp, sortings	2200	x4159
13B	Letter A geometry, implementation	2000	x837
13A	Numbers implementation, math	1000	x7396
12E	Start of the session constructive algorithms	2100	x1169
12D	Ball data structures, sortings	2400	x2017
12C	Fruits greedy, implementation, sortings	1100	x5809
12B	Correct Solution? implementation, sortings	1100	x8107
12A	Super Agent implementation	800	x12450
11E	Forward, march! binary search, dp, greedy	2800	x348
11D	A Simple Task bitmasks, dp, graphs	2200	x4501
11C	How Many Squares? implementation	2200	x594
11B	Jumping Jack math	1600	x4366
11A	Increasing Sequence constructive algorithms, implementation, math	900	x12544
10E	Greedy Change constructive algorithms	2600	x808
10D	LCIS dp	2800	x4080
10C	Digital Root number theory	2000	x1401
10B	Cinema Cashier dp, implementation	1500	x1727
10A	Power Consumption Calculation implementation	900	x6754
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x996
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3684
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x12428
9B	Running Student brute force, geometry, implementation	1200	x5215
9A	Die Roll math, probabilities	800	x53140
8E	Beads dp, graphs	2600	x669
8D	Two Friends binary search, geometry	2600	x513
8C	Looking for Order bitmasks, dp	2000	x3258
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4094
8A	Train and Peter strings	1200	x5524
7E	Defining Macros dp, expression parsing, implementation	2600	x691
7D	Palindrome Degree hashing, strings	2200	x3528
7C	Line math, number theory	1800	x4262
7B	Memory Manager implementation	1600	x2381